*Weight: 206g
*Color: Black
*Light Pattern: Flash
*Battery: AA x 2, which can last 72 Hrs
*Materials:
Main Part--Polypropylene、Polyurethane、Nylon PVC
Adjuster--Polypropylene、Polyurethane
*Fastener：Nylon、Metal
*Belt: Polypropylene、Polyurethane
*EL Strip：PET
*Light Surface：PVC